optional arguments:¶

--version

display the version of the virtualenv package and it's location, then exit

--with-traceback

on failure also display the stacktrace internals of virtualenv (default: False)

--app-data APP_DATA

a data folder used as cache by the virtualenv (default: <temp folder>)

--clear-app-data

start with empty app data folder (default: False)

-h, --help

show this help message and exit

verbosity:¶

verbosity = verbose - quiet, default INFO, mapping => CRITICAL=0, ERROR=1, WARNING=2, INFO=3, DEBUG=4, NOTSET=5

-v, --verbose

increase verbosity (default: 2)

-q, --quiet

decrease verbosity (default: 0)

discovery:¶

discover and provide a target interpreter

--discovery {builtin}

interpreter discovery method (default: builtin)

-p py, --python py

target interpreter for which to create a virtual (either absolute path or identifier string) (default: /usr/bin/python3)

creator:¶

options for creator builtin

--creator {builtin,cpython3-posix,venv}

create environment via (builtin = cpython3-posix) (default: builtin)

dest

directory to create virtualenv at

--clear

remove the destination directory if exist before starting (will overwrite files otherwise) (default: False)

--system-site-packages

give the virtual environment access to the system site-packages dir (default: False)

--symlinks

try to use symlinks rather than copies, when symlinks are not the default for the platform (default: True)

--copies, --always-copy

try to use copies rather than symlinks, even when symlinks are the default for the platform (default: False)

seeder:¶

options for seeder app-data

--seeder {app-data,pip}

seed packages install method (default: app-data)

--no-seed, --without-pip

do not install seed packages (default: False)

--download

pass to enable download of the latest pip, setuptools, and wheel from PyPI (default: False)

--no-download, --never-download

pass to disable download of the latest pip, setuptools, and wheel from PyPI (default: True)

--extra-search-dir d [d ...]

a path containing wheels the seeder may also use beside bundled (can be set 1+ times) (default: [])

--pip version

pip version to install, bundle for bundled (default: latest)

--setuptools version

setuptools version to install, bundle for bundled (default: latest)

--wheel version

wheel version to install, bundle for bundled (default: latest)

--no-pip

do not install pip (default: False)

--no-setuptools

do not install setuptools (default: False)

--no-wheel

do not install wheel (default: False)

--symlink-app-data

symlink the python packages from the app-data folder (requires seed pip>=19.3) (default: False)

activators:¶

options for activation scripts

--activators comma_sep_list

activators to generate - default is all supported (default: bash,cshell,fish,powershell,python,xonsh)

--prompt prompt

provides an alternative prompt prefix for this environment (default: None)

config file $HOME/.config/virtualenv/virtualenv.ini (change via env var VIRTUALENV_CONFIG_FILE)